1 files changed, 99 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/ios_base/failure/dual_abi.cc b/libstdc++-v3/testsuite/27_io/ios_base/failure/dual_abi.cc
new file mode 100644
index 00000000000..9bd72a1baf9
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/ios_base/failure/dual_abi.cc
@@ -0,0 +1,99 @@
+// Copyright (C) 2018 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-D_GLIBCXX_USE_CXX11_ABI=0" }
+// { dg-do run { target c++11 } }
+
+#include <fstream>
+#include <system_error>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  using std::ios;
+  bool caught_ios_failure = false;
+  bool rethrown = false;
+  bool caught_system_error = false;
+  try {
+    std::ifstream f;
+    f.exceptions(ios::failbit | ios::badbit | ios::eofbit);
+    try {
+      f.get();
+    }
+    catch (const ios::failure&) // catch as old ABI type
+    {
+      caught_ios_failure = true;
+#if _GLIBCXX_USE_DUAL_ABI || _GLIBCXX_USE_CXX11_ABI == 1
+      rethrown = true;
+      throw; // re-throw, to catch as new ABI type
+#endif
+    }
+  }
+  catch (const std::system_error& e)
+  {
+    caught_system_error = true;
+  }
+
+  VERIFY( caught_ios_failure );
+  if (rethrown)
+    VERIFY( caught_system_error );
+}
+
+void
+test02()
+{
+  using std::ios;
+  const std::exception* p = nullptr;
+  bool caught_ios_failure = false;
+  bool caught_exception = false;
+  try {
+    std::ifstream f;
+    f.exceptions(ios::failbit | ios::badbit | ios::eofbit);
+    try {
+      f.get();
+    }
+    catch (const std::exception& e1)
+    {
+      caught_exception = true;
+      p = &e1;
+      throw;
+    }
+  }
+  catch (const ios::failure& e2)
+  {
+    caught_ios_failure = true;
+#if _GLIBCXX_USE_DUAL_ABI
+    // If the Dual ABI is active the library throws the new type,
+    // so e1 was an object of that new type and so &e1 != &e2.
+    VERIFY( p != &e2 );
+#else
+    // Otherwise there's only one type of ios::failure, so &e1 == &e2.
+    VERIFY( p == &e2 );
+#endif
+  }
+
+  VERIFY( caught_exception );
+  VERIFY( caught_ios_failure );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+}